@article{MZM_2014_96_5_a15, author = {T. V. Zykova}, title = {Letter to the {Editor}}, journal = {Matemati\v{c}eskie zametki}, pages = {799--800}, year = {2014}, volume = {96}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2014_96_5_a15/} }